Description:
The multi-functional speaker allows to switch modes between BT mode, USB disk mode, Line in mode. Dual handheld wireless Microphones are included to let you setup an awesome Karaoke singing party anytime and anywhere. Supports wired microphone input, echo volume, background volume and Microphone volume adjustment. It is ideal for personal usage, indoor party or BBQ, picnic, camping and outdoor activities with friends and family. This Multifunctional Karaoke speakers will give you gorgeous listening pleasure.

Features:
[Multi-functional Speaker]
The speaker allows to switch modes between BT mode, USB disk mode, Line in mode. Wired Microphone input interface, connect and sing anytime. Besides, the USB port enables the mobile power source function to recharge your smartphone.
[Karaoke System]
It can work as a wonderful portable Karaoke machine with 2 handheld rechargeable UHF wireless Microphone, each has individual display, letting you setup an awesome Karaoke singing party anytime and anywhere.
[Great Sound Quality]
Enjoy clear audio and strong bass with full-range stereo sound reproduction powered by the built-in 30W+2*10W loudspeakers. With 5" woofer and 3" tweeters, it can amplifier your voice without distorting the audio even at higher volumes. 
[Simple Operation]
With buttons and adjusting knobs, easy to control playing / pausing, volume +/- of music, Mic and Echo, previous/next track, mode switch. A phone or tablet stand on the top of the speaker is prepared for you intimately.
[Long Lasting Battery Life] 
Built-in rechargeable 7.4V/2000mAh*2 batteries for the speaker and 3.7V/1200mAh battery for the microphone provides music playing up to 3 hours. Ideal for personal usage, indoor party or BBQ, picnic, camping and outdoor activities with friends and family.

Specifications:
Sound Technical Parameters 
Working Voltage: DC 7.4V lithium battery 
Charging Voltage: DC 5V-2A 
Output Power: 30W+2*10W
Frequency Response: 50Hz-20KHz 
Signal to Noise Ratio: 65dB 
Distortion: <1% 
BT Version: 4.2+EDR 
BT Distance: 10M 
Speaker Unit: 5"+2*3" 
Horn Resistant: 4Ω 

U Segment Receiving Technical Parameters 
Working Voltage: 7.4V 
Signal to Noise Ratio: >90dB 
False Interference Ratio: >80dB 
Channel Interference Ratio: >80dB 
Sensitivity: 5dB uv SINAD-30dB 
To increase: 50us 

Machine Configuration 
Built-in Lithium Battery: 2000mAh*2 
Charging Time: about 4 hours 
Play Time: 3 hours 

Microphone Comprehensive Characteristics 
①RF Range: 620-720MHz 
②Use Distance: open area 80M 
③RF Stability: +0.005% 
④Offset: +40KHZ with compression expansion and automatic volume limit circuit 
⑤S/N Ratio: >100dB 
⑥Distortion: <0.5A% 1KHZ 
⑦Frequency Response: 50Hz-18KHz

Microphone Technical Parameters
①Code Mode: automatic tracking of receiver frequency 
②Output Power: >8dB
③Harmonic Radiation: <-50dBM
④Modulation Degree: +/-48KHz
⑤Built-in Lithium Battery: 1200mAh (Each)

Microphone Size: φ4.0*22.2cm/φ1.57*8.74in
Microphone Weight: 207g/7.30oz
Speaker Size: Approx. 28.0*25.0*13.0cm/11.02*9.84*5.12in
Speaker Weight: 2243g/79.11oz/4.94lb
Package Size: 38.0*30.0*17.0cm/14.96*11.81*6.69in
Package Weight: 3117g/109.94oz/6.87lb

Package List:
1 * Speaker
2 * Handheld Microphone
1 * 3.5mm Audio Cable
1 * USB Charging Cable
1 * User Manual (English/Chinese)